木材在潮湿的时候就会膨胀,而干燥的时候会缩小,这取决于其中含有的氢氧基团,它可以吸收和释放水分。
Timber swells when it is damp and shrinks when it is dry because it contains groups of atoms called hydroxyl groups, which absorb and release water.
反应释放的氢氧化钠回到第一步中重新利用,同CO2可以被贮存到地下曾经贮藏石油或天然气的地层,或者被回收利用做成汽油。
The reaction releases the sodium hydroxide for reuse in the first step, while the CO2 could be stored in underground reservoirs that once housed oil and gas or be recycled into gasoline.
其中一项技术叫做“水葬”或者碱性水解,就是将尸体放在加热的氢氧化钾水溶液中。
One is "water cremation" or alkaline hydrolysis, where a corpse is placed into a heated solution of water and potassium hydroxide.
当阳光照射在纳米管上时,纳米管释放出高能量的载荷子,使得水分子分解为两种活性成分-氢氧自由基和氢离子。
When light falls on the nanotubes, they release energetic charge carriers, which split the water molecules inside them into two reactive components - hydroxide radicals and hydrogen ions.
植物油分子经过甲醇和钾的氢氧化物、也被称作灰汁的处理后就被分解。
Treated with methanol and potassium hydroxide, also known as lye, the vegetable oil molecules break down.
最近,一名化学家提取了一个努比亚幼儿木乃伊的骨头,在深入底层的过程中,将它融化泡入了一种肮脏的氢氧化物——酸中,有助于提取其中的四环素。
To get to the bottom of this, a chemist recently took bone from the mummy of a Nubian child and dissolved it in hydrogen fluoride, a nasty acid that helps extract tetracycline.
如果你真切的感受道袍不会使你感到舒服一点和你真的想要离开那里,确保你在跑步之前和足够多的水和在跑步过程中保持身体中的氢氧化物的含量。
If you think running may actually help you feel better and you really want to get out there, make sure you drink plenty of water before you start running and keep hydrating during your run.
自此自后,使用氢氧或其他像甲醇等燃料的燃料电池就被冠以清洁,安静绿色能源的名号而被大力追捧。
Ever since, fuel cells burning hydrogen or other fuels such as methanol have been touted as clean, quiet and green power sources.
科学家们分析了340,000年的横跨东南极洲的三个冰芯地址的氢氧同位素数据,并与同位素启用整体循环模式系统得出的结果。
The authors analysed 340,000 years of oxygen and hydrogen isotope data from three ice core sites across East Antarctica, alongside isotope-enabled general circulation model results.
相对于镍氢的电池,这种物质的实体材质被称为镍氢氧化合物。
For the nickel-metal hydride version of the battery, that material is a substance called nickel oxyhydroxide.
就像镍镉充电电池一样,金属氢化镍电池的阳极是由浸泡在氢氧化钾电解质中的羟基氧化镍制作而成。
As in a NiCad battery, the NiMH's anode is made of nickel oxyhydroxide immersed in an electrolyte of potassium hydroxide.
氢燃料电池通过氢氧结合产生电能。
Hydrogen fuel cells work by combining hydrogen and oxygen to produce electricity.
但是,氢氧化物却对二氧化碳毫无影响。
这些碳吸收器利用风扇把空气吹过氢氧化钠溶液,吸收CO2。
These carbon suckers would employ fans to move air through a solution of sodium hydroxide, which absorbs the CO2.
因此,新研究建议,大氢氧化物的彻底改变是不可能发生的,而这样的排放效果也变得更加可信。
Since the new results suggest that large hydroxyl radical changes are unlikely, such projections become more reliable.
水分子的氢氧健一秒钟之内就会发生万亿次的断裂和重组。
Inless than a trillionth of a second, water molecules are thought tofluctuate between the two states as the hydrogen bonds break and reform.
毋庸置疑,酒中有精确的形成钻石的碳氢氧比例。
There is no doubt; tequila has the exact proportion of carbon, hydrogen and oxygen atoms necessary to form diamonds.
这需要一种可知的氢氧化物,并且,其变化效果也需要是可知的。
That would require an understanding of hydroxyl and its variability.
碱液也叫做氢氧化钠或者氢氧化钾。
Lye — spelled l-y-e — is also called sodium hydroxide or potassium hydroxide.
这一惊人发现的关键是龙舌兰中碳氢氧的比例,其恰好符合“钻石的生长域”。
The key to the surprising discovery is tequila's ratio of hydrogen, oxygen, and carbon, which lies within the "diamond growth region."
产物用去离子水洗涤,磁体分离后分散在7ml0.12M四乙基氢氧化铵水溶液中,从而得到稳定均匀的Fe3O4悬浮液。
The product was washed with deionized water using a magnet and dispersed in 7 ml 0.12 M TEAOH.
因此,氢氧化钠是在这项工作中所使用的预处理苎麻纤维。
Thus, sodium hydroxide was used in this work for the pretreatment of ramie fiber.
概要地说明了水电解氢氧发生器的构造及工作原理。
The constitution and the working principle of the electrolyzing water oxyhydrogen generator are resumed.
适合于在汽车刹车油、乙醇等有氢氧根离子的液体中使用。
Suitable for brake oil, such as ethanol with hydroxyl ion liquid used in the automobile.
燃料电池汽车也是电动汽车,只不过“电池”是氢氧混合燃料电池。
Fuel cell vehicles are electric vehicles, but "battery" is a hybrid fuel cell hydrogen and oxygen.
燃料电池汽车也是电动汽车,只不过“电池”是氢氧混合燃料电池。
Fuel cell vehicles are electric vehicles, but "battery" is a hybrid fuel cell hydrogen and oxygen.
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